json-joy/esm/json-crdt/json-patch/JsonPatchStore.js

Collection of libraries for building collaborative editing apps.

import { JsonPatch } from './JsonPatch';
import { toPath } from '@jsonjoy.com/json-pointer/lib/util';
export class JsonPatchStore {
    model;
    path;
    base;
    patcher;
    pfx;
    constructor(model, path = [], base) {
        this.model = model;
        this.path = path;
        this.base = base;
        this.pfx = path.length ? path.join() : '';
        const api = model.api;
        this.patcher = new JsonPatch(model, path, base);
        this.subscribe = (listener) => api.onChange.listen(listener);
    }
    update = (change) => {
        const ops = Array.isArray(change) ? change : [change];
        this.patcher.apply(ops);
    };
    add = (path, value) => {
        const op = { op: 'add', path, value };
        this.update([op]);
        return op;
    };
    replace = (path, value) => {
        const op = { op: 'replace', path, value };
        this.update([op]);
        return op;
    };
    remove = (path) => {
        const op = { op: 'remove', path };
        this.update([op]);
        return op;
    };
    del = (path) => {
        try {
            return this.remove(path);
        }
        catch {
            return;
        }
    };
    get = (path = '') => this.patcher.get(path);
    bind(path) {
        return new JsonPatchStore(this.model, this.path.concat(toPath(path)), this.base);
    }
    api() {
        try {
            return this.model.api.find(this.path);
        }
        catch {
            return;
        }
    }
    // ---------------------------------------------------------------- SyncStore
    subscribe;
    getSnapshot = () => this.get();
}
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